Multiple-web roll and method of operating same



Pafenfed Nov, 24, 1936 UNITED STATES WIULTIPLE-vvBB BoLL ffETHoD ofoPERAING sAf Appliootion Deoembef 30, 1931 Sefial No. 583,99z

()flf invention felates to a n1111tiple Web fo11 usedfn conjunctionvvith at bed fflanifolding fnaJ- ohineS of the charactef disclosed anddeScfibed in the patent to John Q, Sheffflan, To. L719 6 iSSued July 9,1929.

In n1aohines of this ohafactef, Whefe sevefa1 sffips of paper afe laidtogethef in a supefpoSed sefies and then afe wound into ab ro11, a stfilying fadia11y inWafdly ffofn anothef in a fo11 Wi11 Stfetch fafthef outffofff the fo11 vVhen the SefieS is unWound than Wi11 be the ff1ofeoutward stfi S. T'f1is cifcufnstance haS been avBi1ed of to facilitatethe pfopef unWinding of the fon in conjuno tion vvith the opefation ofsuch Inachines, by vifte of the fact that, in ajligning the foffnspfinted on the sevefa1 StfipS, ovef the Wfiting bed of the fnachine, Sothant the forfns, and the Wfiting of1 the Stfips, Wi11 be in fegistfy,one stfip, being the shoftest of the sefieS, becoInes the dfiving Stfipof opefative connection ffofn the actuating nfeanS of the n1achine, fofun inding the fo11 in accofdance vvith the SucceSSive vvfitingS to benla.de u on the stfipS, While the othef strips being the longef of thesefies, becon1e looped in vafy ing degfees. The loopS in an unwindfngron of this constfuofion Inay facilitate the unvvinding opefation by thefflaintenance of sufficiently large loopS at all tifffes, vvhich isnecessafy to the beSt opefation of the nlachine. hiS fequffes al sufficient excess of lef1gth in the 1oose stfipS ovef the dfiving stfip toasSufe the pTopef Inaintenance of the looping of the loose StfipS in oneposition at the Side of the fo11 unti1 aJ11 the papef iS vVith dfaWnffom the fo11.

n pfiof devices of this chafactef, iflo111ding that of the pfiof patentabove oited, that stfip of Web Which is the fadiany oute moSt of thesefies vvhen Wound into the fo11 being the shortef be oause of havingtfave1ed the gfeatef cifcuInfefence frofn the cofe, has been uSed as thedfiving stfip of web, in the n1anner above descfibed. Tf1is pfovideS inthe successively n1ofe fadially if1vvafd Stfips 1oopS of inofeaSingdegfee, bl1t only iff S11ch degfee as n1ay be had vvithin the lifflitsbetWeen the natufa1 inofeased extension of the n1ofe fa diany inwafdWebS of stfips and the olltef dfiv ing vveb of stfipS, inhefent ffoff1the convolutions of the fo11.

It is one of the objects of ouf invention to af fofd a ff111oh greateffange of incfeased extension of the non-dfiving, 1ooped stfipS of Webs,ovef the exfension of the tight dfiving Strip of vveb, When the stfipSof' Webs have actually been aligned alfld fegistefed in the nachine aSabove explained.

othef objocts Wi11 appoaf in the coufSe of the (oL 28Z1Z) folloWingdescription, Which iS illustfated in the unWinding of these WebS ffon1the fo11 into theif position for uSe, aS indicated by the solid 1ineS.

The nlachine selected fof pufpoSe of i1111S- tfation is shown genefa11yin Pigufe 1, coInpfiSing a baSe and stand l, Supporting on itS top thevvriting bed 2, aSSociated With Suitable n1eans fof guiding atypeWfiting machine 3 fofWafdly and fefvvafd1y of tfanSvefsely acfossthe bed aS iS we11 knOWn in the art. vVitf1in the ffont end of the bedis the holding n1eans 4, and hung ffoff1 the bottoIn of the fefextenSionS 5 of the bed afe the self-aligning ro11 nfounting n1enlbefscofn pfising the bars 6. Tfle details of constfuction of thiS Inountingare flflilT1portant ffon1 the Sfand poiflf of the invention; it beingsufffcient hefe to say that the f011 A haS the cofe vfith a Shaft 8tufning in the 1ovvef pafts of the bafs 6 So that the fo11 is ffee tofotate in the I1flvviffding of the mu1tiple WebS thefeffom.

AS iS Wen known in tlle pffof aft, eSpecially in the Shernlan patenthefeinbefofe fefeffed to, al sefies of bfaking Ineans 9 are affangedaofoSS betvveen the fear extenSionS 5 of the bed 2, one fof each stffpof vveb o, b, c, f 6, the feSpective strip passing afound the bfakingIneans 9 in Soch fnannef aS to have oonSidefable ffiction; so thathowever loose and looped the Stripof Web may be in its pasSage 11pffoff1 the fo11 A to fts bfaking Ineans 9, the fofvvafd extension of thestfipS fflay be stfetched. and held in the holding fneanS f, aS abovedesofibed; the Stfetching being ffon1 the bfaking fneans 0 to theholding fneanS 4, and the pnfpose`of oourse being to hold the stfipStightly aofoss the bed 2 and so that the SffipS Win Slip back intofegistfy With the othefs When set ovef the fofWafd aligning of ho1dingnleans f, and 50 that the Wfiting by the fnachine 3 Wi11 be even, rithfeSI11ting ooffectly vvfiften copies on the un deflying stfipS, byfflanifolding pfocess, aJS is vVen knoWn in the aft.

s fflay best be seen in Figufe f, the Stfips as shown by the dotfedlines aife extended ffo11 1fhe

